<template>
    <div class='tinymce-container editor-container'>
        <textarea class='tinymce-textarea' :id="id"></textarea>
    </div>
</template>

<script>
    /* global tinymce */
    export default {
        name: 'tinymce',
        props: {
            id: {
                type: String,
                default: 'tinymceEditor'
            },
            value: {
                type: String,
                default: ''
            },
            toolbar: {
                type: Array,
                required: false,
                default () {
                    return ['removeformat undo redo |  bullist numlist | outdent indent | forecolor | fullscreen code | bold italic blockquote | h2 p  media link | alignleft aligncenter alignright'
                    ]
                }
            },
            data () {
                return {
                    hasChange: false,
                    hasInit: false
                }
            },
            menubar: {
                default: ''
            },
            height: {
                type: Number,
                required: false,
                default: 360
            }
        },
        watch: {
            value (val) {
                if (!this.hasChange && this.hasInit) {
                    this.$nextTick(() => tinymce.get(this.id).setContent(val))
                }
            }
        },
        mounted () {
            const _this = this
            tinymce.init({
                selector: `#${this.id}`,
                height: this.height,
                body_class: 'panel-body ',
                object_resizing: false,
                //  language: 'zh_CN',
                //  language_url: '/static/tinymce/langs/zh_CN.js',
                toolbar: this.toolbar,
                menubar: this.menubar,
                plugins: 'advlist,autolink,code,paste,textcolor, colorpicker,fullscreen,link,lists,media,wordcount, imagetools,watermark',
                end_container_on_empty_block: true,
                powerpaste_word_import: 'clean',
                code_dialog_height: 450,
                code_dialog_width: 1000,
                advlist_bullet_styles: 'square',
                advlist_number_styles: 'default',
                block_formats: '普通标签=p;小标题=h2;',
                imagetools_cors_hosts: ['wpimg.wallstcn.com', 'wallstreetcn.com'],
                imagetools_toolbar: 'watermark',
                default_link_target: '_blank',
                link_title: false,
                init_instance_callback: editor => {
                    if (_this.value) {
                        editor.setContent(_this.value)
                    }
                    _this.hasInit = true
                    editor.on('NodeChange Change KeyUp', () => {
                        this.hasChange = true
                        this.$emit('input', editor.getContent({
                            format: 'raw'
                        }))
                    })
                },
                setup (editor) {
                    editor.addButton('h2', {
                        title: '小标题', // tooltip text seen on mouseover
                        text: '小标题',
                        onclick () {
                            editor.execCommand('mceToggleFormat', false, 'h2')
                        },
                        onPostRender () {
                            const btn = this
                            editor.on('init', () => {
                                editor.formatter.formatChanged('h2', state => {
                                    btn.active(state)
                                })
                            })
                        }
                    })
                    editor.addButton('p', {
                        title: '正文',
                        text: '正文',
                        onclick () {
                            editor.execCommand('mceToggleFormat', false, 'p')
                        },
                        onPostRender () {
                            const btn = this
                            editor.on('init', () => {
                                editor.formatter.formatChanged('p', state => {
                                    btn.active(state)
                                })
                            })
                        }
                    })
                }
            })
        },
        destroyed () {
            tinymce.get(this.id).destroy()
        }
    }

</script>

<style scoped>
    .tinymce-container {
        position: relative
    }

    .tinymce-textarea {
        visibility: hidden;
        z-index: -1;
    }

    .editor-custom-btn-container {
        position: absolute;
        right: 15px;
        top: 18px;
    }

    .editor-upload-btn {
        display: inline-block;
    }

</style>
